import React from 'react'

type Props = {}

const App = (props: Props) => {
  // 数组排序
   const arr =[1,9,3,4];
   arr.sort((t1,t2)=>t1-t2);
   console.log(arr);
  return (
    <div>App
         <p>111</p>
         <p>1222</p>
    </div>
  )
}

export default App